20215949 (number)

20215949 is an odd 8-digits composite number following 20215948 and preceding 20215950. In scientific notation, it is written as 2.0215949 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 17521920 positive integers (up to 20215949) that are relatively prime to 20215949.

Interesting facts

Basic properties

Name

Name twenty million two hundred fifteen thousand nine hundred forty-nine

Notation

Scientific notation 2.0215949 × 10^7
Engineering notation 2.0215949 × 10^6

Prime Factorization of 20215949

Prime Factorization 61 × 13 × 13 × 53 × 37

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1555073
Product of the distinct prime numbers

The prime factorization of 20215949 is 61 × 13 × 13 × 53 × 37. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20215949)

Multiplication

n×y
n×2 40431898
n×3 60647847
n×4 80863796
n×5 101079745

Division

n÷y
n÷2 10107974.5
n÷3 6738649.6666667
n÷3 5053987.25
n÷5 4043189.8

Exponentiation

ny
n2 408684593970601
n3 8.2619469087954E+21
n4 1.6702309734891E+29
n5 3.3765304178277E+36

Nth Root

y√n
2√n 4496.2149637223
3√n 272.41522599349
4√n 67.053821395371
5√n 28.916040653626

Divisors of 20215949

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20215948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20215949 can be divided by 24 positive divisors. The sum of these divisors (counting 20215949) is 1, the average is 0.041666666666667.

Base conversion 20215949

Base System Value
2 Binary 1001101000111100010001101
3 Ternary 1102001002001212
4 Quaternary 1031013202031
5 Quinary 20133402244
6 Senary 2001144205
8 Octal 115074215
10 Decimal 20215949
12 Duodecimal 692b065
16 Hexadecimal 134788d
20 Vigesimal 666jh9
36 Base36 c1aq5

Cryptographic Hash Functions

md5 05509d3d85d9bed6f8c1a7948981f92c
sha1 8f4154336965881a214a66a0383ef527fc0f40bd
sha256 2e7cd2eb1f25fffd21e22f93a236b9a090c6c54fa081b44b01c5b6f4a4db8fa2
sha512 2b7ba5bc4a4feb410583388a1cb71828332c70740663127d48c32d5d19f69106b04ae1884ddcb3da547dd83332d2d2bd0fb375d8bd295b905dea08129ebfcb69
ripemd-160 6260c1f43fa77c03031c63186dec1b71f79a74da

20215949 as geometric shapes

Circle

Radius = n
Diameter 40431898
Circumference 127020553.72749
Area 1.2839205180534E+15

Sphere

Radius = n
Volume 3.4607562284027E+22
Surface area 5.1356820722135E+15
Circumference 127020553.72749

Square

Length = n
Perimeter 80863796
Area 408684593970601
Diagonal 28589669.252043

Cube

Length = n
Surface area 2452107563823606
Volume 8.2619469087954E+21
Space diagonal 35015050.791221

Equilateral Triangle

Length = n
Perimeter 60647847
Area 1.7696562025693E+14
Altitude 17507525.395611

Triangular Pyramid

Length = n
Surface area 1.7696562025693E+14
Volume 9.7367978083541E+20
Height 9529889.7506809